MIDIROCK.XYZ
Teenage Engineering / Synthesizer and tape workstation

Teenage Engineering OP-1 original

Choose USB clock sync and understand the original OP-1’s MIDI and controller modes.

Manufacturer documented Original OP-1 hardware, not OP-1 field. References use the original online guide’s tempo and connectivity chapters.
Choose a task

What are you trying to do?

Reference

Look up MIDI

Check MIDI settings and supported messages.

Troubleshoot

Fix a problem

Start with the fastest documented checks.

Workflow

Connect gear

Find wiring guides and see which setups still need testing.

At a glance

MIDI quick reference

MIDI connection
USB MIDI
Manufacturer documented
Normal mode channel
Default 1; Shift + blue encoder in COM OP-1 mode
Manufacturer documented
Clock follower
Tempo Sync mode; EXT indicates incoming clock
Manufacturer documented
Clock master
Tempo Beat match mode
Manufacturer documented
Full MIDI reference
Answer first

Common problems

Manufacturer documented
Original OP-1 won’t follow USB MIDI clock
The tempo stays independent of the computer or USB MIDI master.Manufacturer documented
Original OP-1 ignores notes from a USB MIDI track
The USB connection is present, but incoming notes do not play the expected instrument.
Official resources

Manuals & resources

Original OP-1 — Tempo

Teenage Engineering · Original OP-1 online guide, chapter 10 · last checked 2026-10-03

Original OP-1 — Song rendering and connectivity

Teenage Engineering · Original OP-1 online guide, chapter 13 · last checked 2026-10-03

References

Sources & review

Sources reviewed: . Documentation does not replace a physical hardware test.

Sections reviewed: §13.3; §10.6; §10.5; §10.4–10.6; §13.2–13.4, §13.7.